arch/arm/mach-omap2/twl4030-generic-scripts.c

   1 /*
   2  * arch/arm/mach-omap2/twl4030-generic-scripts.c
   3  *
   4  * Generic power control scripts for TWL4030
   5  *
   6  * Copyright (C) 2008 Nokia Corporation
   7  * Copyright (C) 2006 Texas Instruments, Inc
   8  *
   9  * Written by   Kalle Jokiniemi
  10  *              Peter De Schrijver <peter.de-schrijver@nokia.com>
  11  *
  12  * This file is subject to the terms and conditions of the GNU General
  13  * Public License. See the file "COPYING" in the main directory of this
  14  * archive for more details.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  24  */
  25
  26 #include <linux/kernel.h>
  27 #include <linux/device.h>
  28 #include <linux/init.h>
  29 #include <linux/i2c/twl4030.h>
  30
  31 /*
  32  * This script instructs twl4030 to first put the Reset and Control (RC)
  33  * resources to sleep and then all the other resources.
  34  */
  35
  36 static struct twl4030_ins sleep_on_seq[] __initdata = {
  37         {MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_RC, RES_TYPE_ALL, RES_TYPE2_R0,
  38                         RES_STATE_SLEEP), 4},
  39         {MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_ALL, RES_TYPE_ALL, RES_TYPE2_R0,
  40                         RES_STATE_SLEEP), 4},
  41 };
  42
  43 static struct twl4030_script sleep_on_script __initdata = {
  44         .script = sleep_on_seq,
  45         .size   = ARRAY_SIZE(sleep_on_seq),
  46         .flags  = TRITON_SLEEP_SCRIPT,
  47 };
  48
  49 /*
  50  * This script instructs twl4030 to first enable CLKEN, then wakeup the
  51  * regulators and then all other resources.
  52  */
  53
  54 static struct twl4030_ins wakeup_seq[] __initdata = {
  55         {MSG_SINGULAR(DEV_GRP_NULL, 0x17, RES_STATE_ACTIVE), 0x30},
  56         {MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_PP_PR, RES_TYPE_ALL, RES_TYPE2_R0,
  57                         RES_STATE_ACTIVE), 0x37},
  58         {MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_ALL, RES_TYPE_ALL, RES_TYPE2_R0,
  59                         RES_STATE_ACTIVE), 0x2},
  60 };
  61
  62 static struct twl4030_script wakeup_script __initdata = {
  63         .script = wakeup_seq,
  64         .size   = ARRAY_SIZE(wakeup_seq),
  65         .flags  = TRITON_WAKEUP12_SCRIPT | TRITON_WAKEUP3_SCRIPT,
  66 };
  67
  68 static struct twl4030_script *twl4030_scripts[] __initdata = {
  69         &sleep_on_script,
  70         &wakeup_script,
  71 };
  72
  73 struct twl4030_power_data generic3430_t2scripts_data __initdata = {
  74         .scripts        = twl4030_scripts,
  75         .size           = ARRAY_SIZE(twl4030_scripts),
  76 };
  77
  78